3M WorkTunes User Manual

3M
™
WorkTunes
™
Hearing Protector User Guide 12
Vocal Assist
Vocal Assist is automatically enabled when
you take your WorkTunes Hearing Protector
out of the package. You can turn Vocal Assist
“OFF” at any point.
To Disable Vocal Assist
1. Turn WorkTunes Hearing Protector “OFF”
2. Press and hold the Mode Button while
turning the unit on
3. Release the Mode Button. Vocal Assist will
confirm that you are in Setting Mode
4. Turn the Tuning Knob until Vocal Assist
says “voice off”
5. Press down on the Tuning Knob once.
A beep and Vocal Assist will confirm that
Vocal Assist is “OFF”
6. Turn the Tuning Knob to go to next
feature or press the Mode Button to
exit Settings Mode
To Enable Vocal Assist
1. Turn WorkTunes Hearing Protector “OFF”
2. Release the Mode Button. Vocal Assist will
confirm that you are in Setting Mode
3. Press down on the Tuning Knob once.
A beep and Vocal Assist will confirm that
Vocal Assist is “ON”
4. Turn the Tuning Knob to go to next
feature or press the Mode Button to
exit Settings Mode
Features
On/Off
Volume
Knob
AM/FM
Button
Mode
Button
Tuning
Knob
Turn clockwise
for On/Volume up
Input
Jack

3M WorkTunes Specifications

General

Noise Reduction Rating	24 dB
Bluetooth	Yes
AM/FM Radio	Yes
Battery Life	Up to 30 hours
Headphone Type	Over-ear
Connectivity	Bluetooth, 3.5mm Audio Input
Color	Black/Yellow
Battery Type	Lithium Ion
Charging	USB
Radio Frequency Range	AM: 530 - 1710 kHz, FM: 87.5 - 108 MHz
Cushion Material	Foam
Weight	12.8 oz (363 g)